a: Lenke 1a case,15 year old girl. b: Significant rib prominence. c: 48 degree primary curve reduces to 28 degrees on stretch film. Apical levels (Cobb angle on the stretch film) T7 to T11. d: 2 mos. Post-op clinical photos. e: rib hump correction. f: 10 degree post-op curve with normalized sagittal plane 3 mos. post-op.